Blar i NINA Brage på forfatter "Johnsson, Jörgen I."
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Born to be wild: effects of rearing density and environmental enrichment on stress, welfare, and smolt migration in hatchery-reared Atlantic salmon
Rosengren, Malin; Kvingedal, Eli; Näslund, Joacim; Johnsson, Jörgen I.; Sundell, Kristina (Peer reviewed; Journal article, 2016)Hatchery-reared salmonids released into the wild generally have poor survivability compared with wild conspecifics. To assess potential hatchery rearing improvements, behavioral and physiological effects of reducing animal ... -
Growth-enhanced salmon modify stream ecosystem functioning
Cucherousset, Julien; Sundt-Hansen, Line Elisabeth Breivik; Buoro, Mathieu; Zavorka, Libor; Lassus, Remy; Bækkelie, Knut Andreas Eikland; Fleming, Ian A.; Björnsson, Björn Thrandur; Johnsson, Jörgen I.; Hindar, Kjetil (Peer reviewed; Journal article, 2021)Use of fast-growing domesticated and/or genetically modified strains of fish isbecoming increasingly common in aquaculture, increasing the likelihood of deliberateor accidental introductions into the wild. To date, their ... -
Salmonid stocking in five North Atlantic jurisdictions: Identifying drivers and barriers to policy change
Aas, Øystein; Cucherousset, Julien; Fleming, Ian A.; Wolter, Christian; Höjesjö, Johan; Buoro, Mathieu; Santoul, Frederic; Johnsson, Jörgen I.; Hindar, Kjetil; Arlinghaus, Robert (Peer reviewed; Journal article, 2018)1. New knowledge challenges long-established practices of fish stocking and transfer because of increasing scientific consensus that the release of cultivated fish can pose risks to biodiversity; however, stocking can also ...